Science Topics term usage 2006-01-06

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

230	earthquakes
108	volcanoes
70	geographic information systems (GIS)
40	earthquake occurrences
30	maps and atlases
28	earth structure
27	tectonic processes
26	energy resources
24	streamflow
21	real-time monitoring and reporting
21	surface water (non-marine)
19	rocks and deposits
19	hazards
19	animals
17	geologic history
17	tsunamis
17	water quality
17	mineral resources
16	cartography
16	ground water
15	seismology
15	ecosystems
14	ground-water flow
14	coastal zones
14	earth characteristics
14	aerial photography
13	magnetic field (earth)
13	landslides
13	oil resources
12	mining hazards
12	topography
12	volcanic activity
11	geochemistry
11	planetary bodies
11	water properties
11	climate change
11	water resources
10	droughts
10	floods
10	land use and land cover

Science Topics term usage Friday, 2006-01-06